LWG4064 Clarify that std::launder is not needed when using the result of std::memcpy

Author: burblebee

source/strings.tex

@@ -5515,9 +5515,11 @@
 \indextext{signal-safe!\idxcode{memcpy}}%
 \indextext{signal-safe!\idxcode{memmove}}%
 The functions \tcode{memcpy} and \tcode{memmove} are signal-safe\iref{support.signal}.
-Both functions implicitly create objects\iref{intro.object}
+Each of these functions implicitly creates objects\iref{intro.object}
 in the destination region of storage
 immediately prior to copying the sequence of characters to the destination.
+Each of these functions returns a pointer to a suitable created object, if any,
+otherwise the value of the first parameter.
 
 \pnum
 \begin{note}